28 Nov '13, 3pm

Persistence of Vision Planetary Map

Looking at the looping GIF above you’re probably thinking, oh, another hard drive POV setup… Well… Not quite. This is one of [Dev's] latest projects, and it is a planetary map that shows the angular positions of all 8 of the major celestial bodies from any given date between 1800 and 2050. It’s also capable of showing analogue clock hands, the phases of the moon, and other simple graphics. The main unit is a hard disk, but [Dev] milled off many of the features on it to give it a more exposed, purpose-built look. He designed the LED bearing PCB from scratch using EagleCAD, which sits on the back of the drive, with the spindle poking through. It has 8 rings of 5 surface mounted LEDs, which shine through opaque plastic diffuser rings that he printed using Shapeways — they feature small recesses to fit snugly on the board over the LEDs. On the top level is a 1mm thick black di...

Full article: http://hackaday.com/2013/11/28/persistence-of-vision-plan...

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"@SoshiIon: "Predicted MRT map in 2030 Singapor...

twitter.com 28 Nov '13, 11am

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Here's A Map Tracking Every Store In The World That Accepts Bitcoin

Here's A Map Tracking Every Store In The World ...

businessinsider.com 03 Dec '13, 7pm

Via Bitcointalk.org user Stick , there is now a map showing every store in the world that accepts Bitcoin. It's probably n...

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ecobuildingpulse.com 02 Dec '13, 3pm

Vision 2020: Transparency is Just the Beginning A advances in green chemistry and the relationship between design professi...